key Lexus IS350 2018 / LEXUS 2018 IS300,IS350 (OM53E34U) Repair Manual

6159-2. Customization
9
Vehicle specifications
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
■Driving position memory* (→ P. 139)
*: If equipped
■Power windows ( →P. 154)
■Moon roof* (→ P. 158)
*: If equipped
FunctionDefault settingCustomized setting
Driver’s seat movement when
exiting the vehicleStandardOffOOPartial
Doors linked to the driving posi-
tion memory recall functionDriver’s doorAll doors—O
12
FunctionDefault settingCustomized setting
Mechanical key linked operationOffOn—O
Wireless remote control linked
operationOffOn (Open only)—O
Wireless remote control linked
operation signal (buzzer)OnOff—O
12
FunctionDefault settingCustomized setting
Mechanical key linked operationOffOn—O
Linked operation of components
when mechanical key is used
(open only)Slide onlyTilt only—O
Wireless remote control linked
operationOffOn (Open only)—O
Linked operation of components
when wireless remote control is
usedSlide onlyTilt only—O
Wireless remote control linked
operation signal (buzzer)OnOff—O
12

6189-2. Customization
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
■Illumination (→P. 418)
■Seat belt reminder ( →P. 524)
FunctionDefault settingCustomized setting
Time elapsed before the interior
lights turn off15 seconds
Off
OO7.5 seconds
30 seconds
Operation after the engine
switch is turned offOnOff—O
Operation when the doors are
unlockedOnOff—O
Operation when you approach
the vehicle with the electronic
key on your person
OnOff—O
Inside door handle lightsOnOff—O
Time elapsed before the outer
foot lights turn off15 seconds
Off
OO7.5 seconds
30 seconds
Operation of the outer foot lights
when you approach the vehicle
with the electronic key on your
person
OnOff—O
Operation of the outer foot lights
when the doors are unlocked
with the power door lock switch
OnOff—O
12
FunctionDefault settingCustomized setting
Vehicle speed linked seat belt
reminder buzzerOnOff—O
12

634
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
What to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, ne
w genuine mechanical keys can be made
by your Lexus dealer. ( →P. 112)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. (→ P. 115)
●Is the electronic key battery weak or depleted? ( →P. 500)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (→P. 179)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly du e to the condition of the radio wave.
(→ P. 129)
●Is the child-protector lock set?
The rear door cannot be opened from in side the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
(→ P. 119)
If you have a problem, check the foll owing before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened

635What to do if... (Troubleshooting)
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
●The function to prevent the electronic key from being left inside the trunk will
operate and you can open the trunk as usual. Take the key out from the trunk.
(→ P. 124)
●Did you press the engine switch while firmly depressing the brake pedal?
(→ P. 178)
●Is the shift lever in P? ( →P. 180)
●Is the electronic key anywhere detectable inside the vehicle? ( →P. 127)
●Is the steering wheel unlocked? (→ P. 180)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (→P. 570)
●Is the battery discharged? ( →P. 572)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode. ( →P. 188)
●It is locked automatically to prevent theft of the vehicle. ( →P. 180)
The trunk lid is closed with the electronic key left inside
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from
P even if you depress the brake
pedal
The steering wheel cannot be turned after the engine is stopped

637What to do if... (Troubleshooting)
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. (→ P. 529)
●When a warning light turns on or a warning message is displayed, refer to
P. 522, 529.
●Stop the vehicle in a safe place and replace the flat tire with the spare tire.
(→ P. 556)
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
(→ P. 580)
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

641Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Child safety ................................................ 52
Airbag precautions ..............................38
Battery precautions ............... 481, 575
Child restraint system ......................... 53
How your child should wear the seat belt .......................................... 32
Installing child restraints..................... 57
Moon roof precautions...................... 161
Power window lock switch ............ 154
Power window precautions .......... 157
Rear door child-protectors ............. 119
Removed electronic key battery precautions................ 501
Seat belt extender precautions ........................................... 35
Seat belt precautions ..........................56
Seat heater precautions................... 416
Trunk precautions............................... 125
Child-protectors...................................... 119 Cleaning ....................................... 452, 456
Aluminum wheels .............................. 453
Exterior ................................................... 452
Interior ..................................................... 456
Seat belts................................................ 457
Clock.......................................................... 427
Coat hooks ............................................... 431
Compass ................................................. 439
Condenser...............................................478
Console box ............................................422
Cooling system ...................................... 476 Engine overheating .......................... 576
Cruise control Dynamic radar cruise control ..... 239
Cup holders.............................................423
Current fuel consumption .............................. 104, 105
Curtain shield airbags ............................36
Customizable features ......................... 611

643Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
E-mail........................................................... 371
Eco drive mode .....................................288
Eco Driving Indicator............................. 101
EDR (Event data recorder) ...................10
Elapsed time ............................................ 104
Electric Power Steering (EPS) ....... 293
Warning light .......................................523
Electronic key ........................................... 110 Battery-saving function .................... 128
If the electronic key does not operate properly............................ 569
Replacing the battery ...................... 500
Emergency, in case of If a warning message is displayed ........................................529
If the electronic key does not operate properly ....... 569
If the engine will not start................567
If the vehicle battery is discharged ......................................... 572
If the warning buzzer sounds.................................................. 522
If the warning light turns on........... 522
If you have a flat tire ......................... 556
If you think something is wrong.............................................. 520
If your vehicle becomes stuck ..................................................... 580
If your vehicle has to be stopped in an emergency ........... 513
If your vehicle needs to be towed ........................................ 514
If your vehicle overheats ................576 Emergency flashers .............................. 512
Engine ....................................................... 587
ACCESSORY mode ....................... 179
Compartment ....................................... 471
Engine switch ........................................178
Hood........................................................468
How to start the engine....................178
Identification number...................... 586
If the engine will not start ............... 567
Ignition switch (engine switch) .....178
Overheating......................................... 576
Engine coolant ....................................... 476 Capacity................................................ 590
Checking ............................................... 476
Preparing and checking before winter .................................... 297
Engine coolant temperature gauge .......................................................... 81
Engine immobilizer system ................. 68
Engine oil ..................................................473 Capacity................................................ 588
Checking ............................................... 473
Preparing and checking before winter .................................... 297
Engine oil maintenance data ............475
Engine switch ........................................... 178
Enhanced VSC ......................................292
EPS (Electronic Power Steering) ........ 293 Warning light ....................................... 523
Event data recorder (EDR)................... 10
E

646Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Jack
Positioning a floor jack ................... 469
Vehicle-equipped jack ...................557
Jack handle ............................................. 557
Jam protection function Moon roof .............................................. 159
Power windows ................................... 155
Keyless entry Smart access system with push-button start ........... 116, 122
Wireless remote control ......... 116, 122
Keys............................................................... 110 Battery-saving function .................... 128
Electronic key ......................................... 110
Engine switch ........................................ 178
If the electronic key does not operate properly ....... 569
Key number plate ................................. 110
Keyless entry ........................................... 110
Mechanical key ........................................ 111
Replacing the battery ...................... 500
Warning buzzer .................................... 117
Wireless remote control ................... 110
Knee airbags ............................................. 36 Lane Departure Alert with
steering control (LDA) ....................232
Language (multi-information display)............... 95
LATCH anchors ...................................... 58
LDA (Lane Departure Alert with steering control) .......................232
Lever Auxiliary catch lever .........................468
Hood lock release lever.................468
Internal trunk release lever ............. 124
Shift lever ................................................ 183
Tilt and telescopic steering lock release lever ............................. 147
Turn signal lever .................................. 190
Wiper lever........................................... 202
Lexus Display Audio controller ..... 306
Lexus Display Audio system ........... 304
Lexus Enform
*
Lexus Enform Remote*.................... 448
Lexus Enform Safety Connect ........443
Lexus parking assist monitor
*........ 260
Lexus Safety System+ .......................... 214 Automatic High Beam..................... 198
Dynamic radar cruise control ..... 239
LDA (Lane Departure Alert with steering control) ................... 232
PCS (Pre-Collisio n System) ......... 221
J
K
L

650Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Remote Touch*.................................... 402
Replacing Electronic key battery ..................... 500
Fuses........................................................ 502
Light bulbs ............................................ 505
Tires ......................................................... 556
Reporting safety defects for U.S. owners................................... 622
Resetting the message indicating maintenance is required ................ 460
Rev indicator ............................................. 83
Rev peak ..................................................... 83
Seat belt reminder light...................... 524
Seat belts..................................................... 30 Adjusting the seat belt ..........................31
Automatic Locking Retractor......... 32
Child restraint system installation ..............................................60
Cleaning and maintaining the seat belt .......................................457
Emergency Locking Retractor ................................................ 32
How to wear your seat belt .............30
How your child should wear the seat belt .......................................... 32
Pregnant women, proper seat belt use.......................................... 33
Reminder light and buzzer ...........524
Seat belt extender................................. 32
Seat belt pretensioners ........................31
SRS warning light............................... 522 Seat heaters.............................................. 417
Seat position memory .......................... 139
Seat ventilators........................................ 417
Seating capacity ..................................... 175
Seats, Front ............................................... 135
Adjustment..............................................135
Adjustment precautions...................136
Child seats/child restraint system installation ............................. 57
Cleaning................................................. 456
Driving position memory.................139
Head restraints ..................................... 144
Power easy access system .............139
Properly sitting in the seat ................ 28
Seat heaters ............................................ 417
Seat position memory .......................139
Seat ventilators...................................... 417
Seats, Rear ................................................ 137 Fold down the seatback................... 137
Luggage security system................. 123
Sensor Automatic headlig ht system ..........196
Inside rear view mirror..................... 150
Intuitive parking assist........................ 251
LDA (Lane Departure Alert with steering control) ................... 232
Radar sensor.............................. 216, 279
Rain-sensing windshield wipers...................................................208
Service reminder indicators ................ 76
Shift lever ...................................................183 Automatic transmission ................... 183
If the shift lever cannot be shifted from P ............. 188
S

655Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Warning buzzers
Downshifting ......................................... 187
Driver’s and front passenger’s seat belt reminder ..........................524
Key reminder ...................................... 552
Open door ............................................524
Open hood ...........................................532
Open moon roof ...............................542
Open trunk ...........................................532
Open window .....................................542
Rear passengers’ seat belt reminder .............................................524
Warning lights ........................................... 77 ABS........................................................... 522
AFS............................................................524
Brake system........................................ 522
Charging system................................ 522
Driver’s and front passenger’s seat belt reminder light ................524
Electric power steering...................523
Low fuel level .......................................524
Malfunction indicator lamp ........... 522
Master warning light.........................524
Open door ............................................524
Pre-collision system..........................523
Rear passengers’ seat belt reminder lights .................................524
Slip indicator .........................................523
SRS ............................................................ 522
Tire pressure ........................................524
Warning messages .............................. 529 Washer ..................................................... 202
Checking ............................................... 482
Preparing and checking before winter .................................... 297
Switch ...................................................... 202
Washing and waxing ...........................452
Weight Cargo capacity..................................... 175
Load limits ............................................... 175
Weight ....................................................584
Wheels ......................................................496 Replacing wheels .............................. 496
Size ...........................................................593
Window lock switch.............................. 154
Windows.................................................... 154 Power windows....................................154
Rear window defogger .................... 412
Windshield wiper de-icer ................... 412
Windshield wipers ............................... 202 Intermittent windshield wipers with interval adjuster ..... 202
Rain-sensing windshield wipers................................................... 204
Winter driving tips ................................ 297
Wireless remote control ...................... 110 Battery-Saving Function ..................128
Locking/Unlocking ................... 116, 122
Replacing the battery ..................... 500
WMA disc............................................... 336
XM
® Satellite Radio ........................... 330
W
X